I just bought a used Lenovo 3000 N100 Type 0768-6EU Needs a new DVD drive. Will just any drive I can find advertised fit or do I have to try to buy a new one from Lenovo? Also, it has an 80 gig HD marked SATA. Newegg has a 360 gig one on sale marked SATA 30.Gb/s. Will it work in my laptop? Thanks! The NOSPIN Group is now offering Free PC Tech support at our newest website: http://freepctech.com